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Technical Data Sheet
PartsTable / COMPONENT / 99-998
99-998 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The MARKER ASSORTMENT,TUBE TYPE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-141-5023, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
99-998
NSN: 4820-01-141-5023
FSC: 4820
CAGE: 21692 — CECILWARE CORP COLUMWARE DIV (USA)
SPECIFICATIONS
special_featuresFLUORESCENT HIGHLIGHTERS; ODORLESS INK; FADE RESISTANT; QUICK DRYING WILL NOT BLEED THROUGH PAPER; SOFT TOUCH BROAD TIP MAKES A THIN OR THICK LINE; 4 PACK IN BLUE, GREEN, PINK AND YELLOW
NSN4820-01-141-5023
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 99-998 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
99998Interchangeable
interchangeable cross-reference
interchangeable
7520-01-383-7938Interchangeable
interchangeable cross-reference
interchangeable
N764838Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99-998?
99-998 is a MARKER ASSORTMENT,TUBE TYPE.
What parts can replace 99-998?
There are 3 known substitutes for 99-998: 99998, 7520-01-383-7938, N764838. Substitute compatibility should be verified for your specific system.
What is the NSN for 99-998?
99-998 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-141-5023. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026